Bad smells can be a nightmare . It can come from the fridge because of power failure or from fruits and vegetables that have been kept longer than their shelf life . It could be smell from garbage cans due to accumulated rubbish evacuated late by the environmental agency .
Here are few tricks to get rid of bad smells .

Fridge
Clean the shelves in the fridge , and place baking soda inside the fridge on one of the shelves. Change the baking soda every month. It absorbs bad smells
Vanilla is another freshener. Absorb vanilla in a small ball of cotton wool and place on a shelve inside the fridge . Check the cotton balls and change it weekly

Garbage can
Clean the garbage can and place lemon or orange peels inside it.

Sprinkle a generous amount of ground coffee in the garbage . It can help to get rid of bad smells .
Vinegar can also be used to dispel bad smells because it has a strong smell .

https://www.nigerialog.com/health/get-rid-of-bad-smells-with-these-simple-tricks/new/#new